mirror of https://github.com/octoleo/plantuml.git
75 lines
2.2 KiB
Java
75 lines
2.2 KiB
Java
/* ========================================================================
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* PlantUML : a free UML diagram generator
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* ========================================================================
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*
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* (C) Copyright 2009-2023, Arnaud Roques
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*
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* Project Info: http://plantuml.com
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*
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* If you like this project or if you find it useful, you can support us at:
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*
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* http://plantuml.com/patreon (only 1$ per month!)
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* http://plantuml.com/paypal
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*
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* This file is part of PlantUML.
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*
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* PlantUML is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* PlantUML distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
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* or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public
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* License for more details.
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*
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* You should have received a copy of the GNU General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
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* USA.
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*
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*
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* Original Author: Arnaud Roques
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*
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*
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*/
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package net.sourceforge.plantuml.style.parser;
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import java.util.HashMap;
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import java.util.Map;
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import java.util.regex.Matcher;
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import java.util.regex.Pattern;
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class CssVariables {
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private final Map<String, String> variables = new HashMap<>();
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private final Pattern learnPattern = Pattern.compile("^--([_\\w][-_\\w]+)[ :]+(.*?);?");
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private final Pattern retrieve = Pattern.compile("var\\(-*([_\\w][-_\\w]+)\\)");
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public void learn(String s) {
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final Matcher m = learnPattern.matcher(s);
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if (m.matches())
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variables.put(m.group(1), m.group(2));
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}
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public void learn(String var, String value) {
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if (var.startsWith("--"))
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var = var.substring(2);
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variables.put(var, value);
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}
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public String value(String v) {
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if (v.startsWith("var(")) {
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final Matcher m = retrieve.matcher(v);
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if (m.matches()) {
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final String varname = m.group(1);
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final String result = variables.get(varname);
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if (result != null)
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return result;
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}
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}
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return v;
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}
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} |